Gunilla Sigrid Carlsson Thorn, M.D.
Dermatology Physician · St Charles, IL
Gunilla Sigrid Carlsson Thorn, M.D. is a dermatology physician with a practice address in St Charles, Illinois, and NPI 1174779755, issued on Aug 14, 2008. Check the license (Illinois AN52403945287, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gunilla Sigrid Carlsson Thorn
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- AN52403945287 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2900 Foxfield RD, St Charles, IL 60174
- Phone
- (630) 315-6500
- Enumerated
- Aug 14, 2008
- Record last updated
- Aug 11, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (630) 615-6519
- Medicaid ID
- 036132093 IL
- Medicare enrollment
- Enrolled (PECOS I20131004000543); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 647 in Illinois → Look up another NPI →
Also registered at 2900 Foxfield RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tonya Baker, ATCSpecialist1942259411
- Mario BlanquelAthletic Trainer1114475522
- Robert Calabria, D.O.Family Medicine Physician1114911898
- Ann Cobb, PTAPhysical Therapy Assistant1700656378
- Pamela Denhof, ATCSpecialist1043283526
- Melissa Fish, M.D.Family Medicine Physician1760776371
Verify Gunilla Sigrid Carlsson Thorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license AN52403945287Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average dermatology physician in 2024
655 Medicare Part D claims for 242 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Ketoconazole92 claims
- Clobetasol Propionate48 claims
- Doxycycline Hyclate48 claims
- Triamcinolone Acetonide47 claims
- Mometasone Furoate27 claims
- Prednisone26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $17.18
8 payments; by number, the most common kind was food and beverage; the largest payer was Strata Skin Sciences, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Central Dupage Physician GroupWheaton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gunilla Sigrid Carlsson Thorn among 647 dermatology physician records in Illinois
Gunilla Sigrid Carlsson Thorn, M.D. is one of 647 dermatology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 44% of them.
- NPI issued2008 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2008 · median 2008 among the 440 with a school on file
- Record last updated2014 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Illinois
There are 647 dermatology physician records in Illinois.
All 647 in Illinois → Every provider in St Charles → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Mona Gandhi, MDSt Charles, IL 601741942481940
- Rany Jazayerli, M.D.Saint Charles, IL 601741831197995
- Amanda Wendel, M.D.St Charles, IL 601741699973131
- Nadine Abouchaleh, MDSchaumburg, IL 601731265173736
- Yazan Alghalith, MDSchaumburg, IL 601731255781365
- Lawrence Johnson, M.D.St Charles, IL 601751114015351
- Evan Johnson, M.D.St Charles, IL 601751407005218
- Henry Nichamin, M.D.Schaumburg, IL 601731114943065
Common questions
What is Gunilla Sigrid Carlsson Thorn, M.D.'s NPI number?
Gunilla Sigrid Carlsson Thorn, M.D.'s National Provider Identifier (NPI) is 1174779755, issued on Aug 14, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gunilla Sigrid Carlsson Thorn, M.D. located?
The NPPES record lists a practice address at 2900 Foxfield RD, St Charles, IL, 60174. Phone: (630) 315-6500. Providers update this record themselves, so call before visiting.
How can I verify Gunilla Sigrid Carlsson Thorn, M.D.'s license?
NPPES lists Illinois license number AN52403945287, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gunilla Sigrid Carlsson Thorn, M.D. prescribe under Medicare Part D?
In 2024, Gunilla Sigrid Carlsson Thorn, M.D. had 655 Medicare Part D claims for 242 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Gunilla Sigrid Carlsson Thorn, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.